Knife edge tapering blunt cannula proximal portion



FIG. 1 is a perspective view of an embodiment of our new, original and ornamental design;

FIG. 2 is a front elevational view thereof, the rear elevational view being a mirror image thereof;

FIG. 3 is a right side elevational view thereof, the left side elevational view being a mirror image thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a top plan view thereof.

The structure shown in phantom is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a knife edge tapering blunt cannula proximal portion, as shown and described. 